<template>
  <div class="rank" ref="rank">
    <scroll class="toplist" :data="topList" ref="toplist">
      <ul>
        <li class="item" v-for="item of topList" :key="item.id" @click="selectItem(item)">
          <div class="icon">
            <img width="100" height="100" v-lazy="item.pic">
          </div>
          <ul class="songlist">
            <li class="song" v-for="(song, index) of item.songlist">
              <span>{{index + 1}}</span>
              <span>{{song.track_name}}-{{song.singer_name}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div class="loading-container" v-show="!topList.length">
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
import { getTopList } from 'api/rank'
import { ERR_OK } from 'api/config'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import { playlistMixin } from 'common/js/mixin'
import { mapMutations } from 'vuex'
export default {
  mixins: [playlistMixin],
  components: {
    Scroll,
    Loading,
  },
  created() {
    this._getTopList()
  },
  data() {
    return {
      topList: [],
    }
  },
  methods: {
    ...mapMutations({
      setTopList: 'SET_TOP_LIST',
    }),
    handlePlaylist(playlist) {
      const bottom = playlist.length ? '60px' : ''
      this.$refs.rank.style.bottom = bottom
      this.$refs.toplist.refresh()
    },
    selectItem(item) {
      this.$router.push({
        path: `/rank/${item.id}`,
      })
      this.setTopList(item)
    },
    _getTopList() {
      getTopList().then((res) => {
        if (res.code === ERR_OK) {
          res.toplist.data.group_list.forEach((item) => {
            this.topList.push(...item.list)
          })
          // console.log(this.topList)
        }
      })
    },
  },
}
</script>
<style scoped lang="stylus">
@import '~common/stylus/variable'
@import '~common/stylus/mixin'
.rank
  position: fixed
  width: 100%
  top: 88px
  bottom: 0
  .toplist
    height: 100%
    overflow: hidden
    .item
      display: flex
      margin: 0 20px
      padding-top: 20px
      height: 100px
      &:last-child
        padding-bottom: 20px
      .icon
        flex: 0 0 100px
        width: 100px
        height: 100px
      .songlist
        flex: 1
        display: flex
        flex-direction: column
        justify-content: center
        padding: 0 20px
        height: 100px
        overflow: hidden
        background: $color-highlight-background
        color: $color-text-d
        font-size: $font-size-small
        .song
          no-wrap()
          line-height: 26px
    .loading-container
      position: absolute
      width: 100%
      top: 50%
      transform: translateY(-50%)
</style>